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rosijanka [135]
3 years ago
7

Which organisms on the geologic time scale are now extinct?

Biology
1 answer:
ludmilkaskok [199]3 years ago
3 0

dinosaurs are now extinct
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Which rocks are examples of organic sedimentary rock?
zmey [24]

Answer:

Limestones and coal are the types of rocks which are the example of organic type of sedimentary rocks.

Explanation:

These rocks are made from organic compounds that are dead remains of plants and animals. These are also known as fossil fuels. These takes a lot of time to be formed by the pressure of Earth. These rocks do not have much calorific value if they are burnt. Limestone can be used for many purposes like in buildings or any other infrastructure.

Coals are classified as non-renewable source of energy. Non-renewable source of energy is used once and take millions of years to be formed again. This fuels also cause air pollution which is harmful for humans and plants.

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Which of the following is NOT a freshwater ecosystem? a . a river b . a lake c . an estuary d . a stream
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They are all freshwater. So the closest would be c. an estuary since it has a free connection with the sea since the sea is not freshwater.
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Transpiration is the evaporation process used by plants for cooling and to regulate the amount of water within its body. Factors
Stella [2.4K]

Answer:

Transpiration is the process of water movement in the plant in which water is released from the leaves to the environment in the form of vapours.

The transpiration is important to the plant as:

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5. Photosynthesis: supplies water for the photosynthesis.

The process also has disadvantages to the plants as:

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3. Wastage of Energy: Loss of water leads to the waste of energy which is used in the conduction of water and absorption.

The climate change has changed the ability of the plants to undergo transpiration and plants has adapted to maintain equilibrium by producing hair, thorns, thick cuticle, sunken stomata, cladodes and phylloclades.

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